12139344 has 60 divisors (see below), whose sum is σ = 38829856. Its totient is φ = 3468096.

The previous prime is 12139327. The next prime is 12139349. The reversal of 12139344 is 44393121.

12139344 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12139349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5014 + ... + 7029.

Almost surely, 2^12139344 is an apocalyptic number.

12139344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12139344 is an abundant number, since it is smaller than the sum of its proper divisors (26690512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12139344 is a wasteful number, since it uses less digits than its factorization.

12139344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064 (or 12055 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12139344 is about 3484.1561388663. The cubic root of 12139344 is about 229.8256018851.

The spelling of 12139344 in words is "twelve million, one hundred thirty-nine thousand, three hundred forty-four".